<template>
    <div class="app">
        <h1>你好！！</h1>
    </div>
</template>

<script lang="ts">
    export default{
        name:'App'
    }
</script>

<style>
    .app{
        background-color: #ddd;
        box-shadow: 0 0 20px;
        border-radius: 30px;
        padding: 50px;
    }
</style>